diff --git a/Dockerfile b/Dockerfile
index 532033f..9bda18c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18-alpine AS build_deps
+FROM golang:1.19-alpine AS build_deps
 
 RUN apk add --no-cache git
 
diff --git a/go.mod b/go.mod
index 984ba89..46fc085 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/cert-manager/webhook-example
 go 1.19
 
 // This is needed till a we release a version of cert-manager with https://github.com/cert-manager/cert-manager/pull/5736
+// The version was generated by adding replace github.com/cert-manager/cert-manager => github.com/cert-manager/cert-manager release-1.11 and running go mod tidy
 replace github.com/cert-manager/cert-manager => github.com/cert-manager/cert-manager v1.11.1-0.20230119150913-7ebb5f515e4f
 
 require (